Finding the Fourth Proportional to 98,823,356.37, 136,296,712.58 and 86,876,626.08
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Solution
The fourth proportional to 98,823,356.37, 136,296,712.58 and 86,876,626.08 is: 119,819,837.84
Step by Step Solution
- Step 1: Write the proportion equation
98,823,356.37 : 136,296,712.58 = 86,876,626.08 : x - Step 2: Convert to fraction form
98,823,356.37/136,296,712.58 = 86,876,626.08/x - Step 3: Cross multiply
98,823,356.37x = 136,296,712.58 × 86,876,626.08 - Step 4: Simplify right side
98,823,356.37x = 11,840,998,534,927,872 - Step 5: Solve for x
x = 11,840,998,534,927,872/98,823,356.37 - Step 6: Final answer
x = 119,819,837.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.